1117428866 has 16 divisors (see below), whose sum is σ = 1705099200. Its totient is φ = 549078480.

The previous prime is 1117428859. The next prime is 1117428889. The reversal of 1117428866 is 6688247111.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167405 + ... + 173951.

It is an arithmetic number, because the mean of its divisors is an integer number (106568700).

Almost surely, 2^1117428866 is an apocalyptic number.

1117428866 is a deficient number, since it is larger than the sum of its proper divisors (587670334).

1117428866 is a wasteful number, since it uses less digits than its factorization.

1117428866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009.

The product of its digits is 129024, while the sum is 44.

The square root of 1117428866 is about 33427.9653284492. The cubic root of 1117428866 is about 1037.7035330307.

The spelling of 1117428866 in words is "one billion, one hundred seventeen million, four hundred twenty-eight thousand, eight hundred sixty-six".